And it came to pass, when the priests came out of the holy place, that the cloud filled the house of the LORD,
1 Kings 8:10
Surrounding context
8:9 Nothing was in the ark except the two tablets of stone which Moses put there at Horeb, when the LORD made a covenant with the children of Israel, when they came out of the land of Egypt.
8:10 And it came to pass, when the priests came out of the holy place, that the cloud filled the house of the LORD,
8:11 so that the priests could not continue ministering because of the cloud; for the glory of the LORD filled the house of the LORD.